Direct Numerical Simulation of Mixing and Chemical Reactions in a Round Jet into a Crossflow — a Benchmark

J. A. Denev (), J. Fröhlich () and H. Bockhorn ()
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J. A. Denev: Institute for Technical Chemistry and Polymer Chemistry
J. Fröhlich: Institute for Technical Chemistry and Polymer Chemistry
H. Bockhorn: Institute for Technical Chemistry and Polymer Chemistry

A chapter in High Performance Computing in Science and Engineering ’06, 2007, pp 237-251 from Springer

Abstract: Abstract A benchmark simulation of the jet in crossflow (JICF) configuration is presented in detail. A Direct Numerical Simulation (DNS) was carried out with a low Reynolds number equal to 275 and a jet-to-crossflow velocity ratio equal to 2.4. The benchmark is carefully selected to provide reference data concerning the following phenomena: the flowfield, the mixing process of passive scalars and three chemical reactions. The data presented concern both instantaneous and time-averaged values as well as the corresponding fluctuations. To facilitate the quantitative comparison with the data from the present work various one-dimensional plots are presented. To allow easy repetition of the present numerical benchmark, both the jet and the crossflow are supplied at laminar flow conditions. As a result of this a transition zone occurs which in turn constitutes a severe test for any simulation methodology.

Keywords: Large Eddy Simulation; Direct Numerical Simulation; Velocity Ratio; Bulk Velocity; Passive Scalar (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1007/978-3-540-36183-1_17

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